function updateStageList(main)

    stringToList = {};
    set(main.handles.list_stages, 'String', stringToList);
    
    for index = 1 : main.stageAmount
        
        stage = ['stage' num2str(main.stageTracking{index,1})];
        
        stringToList{index} = stage;       
        
    end
    
    set(main.handles.list_stages,'Value',1); %Avoids "error" when repopulating LISTBOX
    set(main.handles.list_stages, 'String', stringToList);   % Repopulates listbox


end